Incidental Mutation 'R0179:Lct'
ID 23013
Institutional Source Beutler Lab
Gene Symbol Lct
Ensembl Gene ENSMUSG00000026354
Gene Name lactase
Synonyms LPH, LOC226413, Lphl
MMRRC Submission 038447-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0179 (G1)
Quality Score 225
Status Validated (trace)
Chromosome 1
Chromosomal Location 128212493-128256055 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 128255422 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 207 (V207I)
Ref Sequence ENSEMBL: ENSMUSP00000073190 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027601] [ENSMUST00000073490] [ENSMUST00000190495]
AlphaFold F8VPT3
Predicted Effect probably benign
Transcript: ENSMUST00000027601
SMART Domains Protein: ENSMUSP00000027601
Gene: ENSMUSG00000026355

DomainStartEndE-ValueType
MCM 119 657 1.43e-270 SMART
PDB:2LE8|A 710 821 1e-47 PDB
Predicted Effect probably benign
Transcript: ENSMUST00000073490
AA Change: V207I

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000073190
Gene: ENSMUSG00000026354
AA Change: V207I

DomainStartEndE-ValueType
Pfam:Glyco_hydro_1 76 226 1.6e-19 PFAM
low complexity region 322 340 N/A INTRINSIC
Pfam:Glyco_hydro_1 380 849 4.8e-169 PFAM
low complexity region 865 875 N/A INTRINSIC
Pfam:Glyco_hydro_1 902 1368 3.7e-181 PFAM
Pfam:Glyco_hydro_1 1377 1844 6.9e-183 PFAM
transmembrane domain 1885 1907 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000190495
SMART Domains Protein: ENSMUSP00000140308
Gene: ENSMUSG00000026355

DomainStartEndE-ValueType
MCM 119 657 1.43e-270 SMART
PDB:2LE8|A 710 783 3e-29 PDB
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.8%
  • 20x: 94.1%
Validation Efficiency 98% (81/83)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene belongs to the glycosyl hydrolase 1 family of proteins. The encoded preproprotein is proteolytically processed to generate the mature enzyme. This enzyme is integral to the plasma membrane and has both phlorizin hydrolase activity and lactase activity. Mutations in this gene are associated with congenital lactase deficiency. Polymorphisms in this gene are associated with lactase persistence, in which intestinal lactase activity persists at childhood levels into adulthood. [provided by RefSeq, Jan 2016]
Allele List at MGI
Other mutations in this stock
Total: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts1 C T 16: 85,592,353 (GRCm39) S948N probably benign Het
Adck1 A T 12: 88,425,942 (GRCm39) M457L possibly damaging Het
Adprm A T 11: 66,929,051 (GRCm39) H313Q possibly damaging Het
Adss1 T C 12: 112,598,703 (GRCm39) I104T probably benign Het
Agxt2 A C 15: 10,399,134 (GRCm39) Q435P possibly damaging Het
Amotl1 G A 9: 14,460,069 (GRCm39) A890V probably benign Het
Ankrd50 A G 3: 38,509,463 (GRCm39) V968A possibly damaging Het
Brf2 T C 8: 27,615,896 (GRCm39) D163G possibly damaging Het
Cd226 C A 18: 89,225,263 (GRCm39) N53K probably benign Het
Cdc42ep2 T C 19: 5,968,636 (GRCm39) D23G probably benign Het
Cdc7 T C 5: 107,112,905 (GRCm39) S8P probably benign Het
Cdh8 C T 8: 99,838,344 (GRCm39) E499K possibly damaging Het
Chd7 T A 4: 8,862,516 (GRCm39) F2534L probably benign Het
Ckb T C 12: 111,636,610 (GRCm39) T255A probably benign Het
Cntnap5c G T 17: 58,076,620 (GRCm39) W19L probably benign Het
Cntrl A G 2: 35,057,871 (GRCm39) E1854G probably benign Het
Colec12 C T 18: 9,858,921 (GRCm39) P568L unknown Het
Cop1 A G 1: 159,077,636 (GRCm39) D157G probably benign Het
Csf2rb A C 15: 78,220,572 (GRCm39) Q38P possibly damaging Het
Ctla2b T C 13: 61,044,107 (GRCm39) D52G possibly damaging Het
Dcaf7 A T 11: 105,942,623 (GRCm39) D190V probably damaging Het
Depdc5 T A 5: 33,058,918 (GRCm39) probably benign Het
Dgkq A G 5: 108,806,066 (GRCm39) probably benign Het
Dhrs2 A G 14: 55,477,933 (GRCm39) T222A probably damaging Het
Dock1 G A 7: 134,700,566 (GRCm39) D1109N probably damaging Het
E4f1 G C 17: 24,670,411 (GRCm39) T92S possibly damaging Het
Ep400 A T 5: 110,816,515 (GRCm39) S2669T probably damaging Het
Eprs1 T G 1: 185,145,744 (GRCm39) D1184E probably benign Het
Fpr-rs4 A T 17: 18,242,289 (GRCm39) K99* probably null Het
Fzr1 A T 10: 81,204,904 (GRCm39) probably benign Het
Gcc2 C T 10: 58,112,472 (GRCm39) R1001C probably benign Het
Gm4884 A G 7: 40,693,252 (GRCm39) D407G probably benign Het
Golga4 A T 9: 118,389,808 (GRCm39) probably null Het
Gp2 T G 7: 119,051,540 (GRCm39) D225A possibly damaging Het
Gramd1a T A 7: 30,841,843 (GRCm39) T120S probably damaging Het
Hbb-bh2 T A 7: 103,488,434 (GRCm39) N121I probably benign Het
Htr6 A T 4: 138,789,437 (GRCm39) L276Q probably damaging Het
Itga9 A T 9: 118,490,454 (GRCm39) I262F probably benign Het
Lamc3 A G 2: 31,805,096 (GRCm39) probably benign Het
Large1 T C 8: 73,825,474 (GRCm39) N200S probably benign Het
Marf1 C A 16: 13,969,040 (GRCm39) L144F probably damaging Het
Morc2b A T 17: 33,355,956 (GRCm39) Y605* probably null Het
Mtus1 G T 8: 41,455,398 (GRCm39) L87I possibly damaging Het
Muc2 A G 7: 141,302,708 (GRCm39) Y17C probably damaging Het
Myf5 T C 10: 107,321,779 (GRCm39) D5G possibly damaging Het
Nasp C T 4: 116,459,354 (GRCm39) V375M probably damaging Het
Nr1h2 A T 7: 44,201,689 (GRCm39) probably null Het
Nrg2 T C 18: 36,155,468 (GRCm39) Q447R probably benign Het
Ntn5 G A 7: 45,335,737 (GRCm39) G56D probably damaging Het
Oasl2 A G 5: 115,048,973 (GRCm39) R138G probably benign Het
Or4c29 A T 2: 88,740,237 (GRCm39) C167S possibly damaging Het
Or5b124 T A 19: 13,610,504 (GRCm39) F10I probably damaging Het
Or9k7 T C 10: 130,046,207 (GRCm39) Y264C probably damaging Het
Pcdhb5 G A 18: 37,455,612 (GRCm39) G664D probably damaging Het
Ppp1r15a T C 7: 45,174,424 (GRCm39) E128G probably damaging Het
Prpf19 T C 19: 10,875,172 (GRCm39) probably benign Het
Ptpn3 T A 4: 57,270,118 (GRCm39) T15S probably benign Het
R3hdm2 G A 10: 127,330,975 (GRCm39) C818Y probably damaging Het
Rad51d A G 11: 82,780,824 (GRCm39) V39A possibly damaging Het
Rptor A T 11: 119,763,193 (GRCm39) T926S probably benign Het
Rwdd4a G A 8: 47,995,742 (GRCm39) D41N probably damaging Het
Sephs1 A G 2: 4,904,371 (GRCm39) T250A probably benign Het
Spata31g1 T C 4: 42,972,214 (GRCm39) S516P probably benign Het
Ssbp3 T C 4: 106,903,585 (GRCm39) S334P probably damaging Het
Suco A G 1: 161,703,874 (GRCm39) probably benign Het
Synj1 T C 16: 90,761,519 (GRCm39) K649R possibly damaging Het
Tdp2 C T 13: 25,024,431 (GRCm39) H243Y possibly damaging Het
Tinag A G 9: 76,904,164 (GRCm39) probably benign Het
Trerf1 T C 17: 47,627,588 (GRCm39) noncoding transcript Het
Trip10 T C 17: 57,569,349 (GRCm39) probably benign Het
Tsen54 A T 11: 115,712,856 (GRCm39) S131C probably damaging Het
Unc5c A T 3: 141,523,828 (GRCm39) R794* probably null Het
Vmn2r59 A T 7: 41,696,432 (GRCm39) Y103* probably null Het
Washc5 A G 15: 59,224,379 (GRCm39) V460A probably benign Het
Wdr87-ps A G 7: 29,235,365 (GRCm39) noncoding transcript Het
Whamm A G 7: 81,243,763 (GRCm39) T358A probably benign Het
Xlr4b C T X: 72,262,277 (GRCm39) probably benign Het
Zbbx C T 3: 74,992,869 (GRCm39) probably benign Het
Zdhhc23 G A 16: 43,794,066 (GRCm39) P203S probably benign Het
Zfp27 T A 7: 29,595,850 (GRCm39) E38D possibly damaging Het
Other mutations in Lct
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00777:Lct APN 1 128,215,293 (GRCm39) missense probably benign 0.09
IGL00970:Lct APN 1 128,231,805 (GRCm39) missense probably damaging 1.00
IGL01022:Lct APN 1 128,228,596 (GRCm39) missense probably benign
IGL01878:Lct APN 1 128,222,003 (GRCm39) missense probably damaging 1.00
IGL01892:Lct APN 1 128,235,342 (GRCm39) missense probably damaging 1.00
IGL02307:Lct APN 1 128,214,327 (GRCm39) missense possibly damaging 0.70
IGL02434:Lct APN 1 128,231,527 (GRCm39) missense probably damaging 0.97
IGL02559:Lct APN 1 128,222,003 (GRCm39) missense probably damaging 1.00
IGL02623:Lct APN 1 128,235,988 (GRCm39) missense probably benign 0.01
IGL02818:Lct APN 1 128,227,905 (GRCm39) missense probably damaging 1.00
IGL02949:Lct APN 1 128,240,869 (GRCm39) missense probably benign 0.26
IGL02951:Lct APN 1 128,227,948 (GRCm39) missense probably damaging 1.00
IGL03087:Lct APN 1 128,228,112 (GRCm39) missense possibly damaging 0.81
IGL03227:Lct APN 1 128,255,426 (GRCm39) missense probably benign 0.09
ANU18:Lct UTSW 1 128,235,784 (GRCm39) nonsense probably null
R0071:Lct UTSW 1 128,219,755 (GRCm39) nonsense probably null
R0071:Lct UTSW 1 128,219,755 (GRCm39) nonsense probably null
R0135:Lct UTSW 1 128,212,860 (GRCm39) missense probably damaging 0.98
R0145:Lct UTSW 1 128,255,632 (GRCm39) missense probably benign 0.00
R0331:Lct UTSW 1 128,226,479 (GRCm39) splice site probably benign
R0366:Lct UTSW 1 128,214,199 (GRCm39) missense probably benign 0.03
R0399:Lct UTSW 1 128,228,262 (GRCm39) missense probably damaging 1.00
R0492:Lct UTSW 1 128,228,319 (GRCm39) missense probably damaging 1.00
R0548:Lct UTSW 1 128,212,932 (GRCm39) missense probably damaging 1.00
R0691:Lct UTSW 1 128,235,971 (GRCm39) missense probably benign 0.00
R0755:Lct UTSW 1 128,221,872 (GRCm39) missense possibly damaging 0.46
R0839:Lct UTSW 1 128,214,346 (GRCm39) missense probably benign 0.00
R1128:Lct UTSW 1 128,229,046 (GRCm39) missense probably damaging 0.99
R1135:Lct UTSW 1 128,221,861 (GRCm39) critical splice donor site probably null
R1321:Lct UTSW 1 128,227,759 (GRCm39) missense probably benign
R1448:Lct UTSW 1 128,235,559 (GRCm39) missense probably damaging 0.99
R1450:Lct UTSW 1 128,235,640 (GRCm39) missense probably damaging 1.00
R1572:Lct UTSW 1 128,221,932 (GRCm39) missense probably benign 0.25
R1582:Lct UTSW 1 128,228,299 (GRCm39) missense probably damaging 1.00
R1668:Lct UTSW 1 128,215,459 (GRCm39) splice site probably null
R1757:Lct UTSW 1 128,228,994 (GRCm39) missense probably damaging 1.00
R1775:Lct UTSW 1 128,228,038 (GRCm39) missense probably damaging 1.00
R1792:Lct UTSW 1 128,255,679 (GRCm39) missense possibly damaging 0.54
R1815:Lct UTSW 1 128,227,896 (GRCm39) missense probably damaging 1.00
R1932:Lct UTSW 1 128,221,898 (GRCm39) missense probably damaging 1.00
R2325:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R2381:Lct UTSW 1 128,231,858 (GRCm39) nonsense probably null
R3001:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3002:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3003:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3011:Lct UTSW 1 128,229,109 (GRCm39) missense possibly damaging 0.74
R3082:Lct UTSW 1 128,215,345 (GRCm39) missense probably damaging 1.00
R3683:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3684:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3726:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3886:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3887:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3888:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4019:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4027:Lct UTSW 1 128,212,918 (GRCm39) missense probably benign 0.00
R4226:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4409:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4514:Lct UTSW 1 128,228,251 (GRCm39) missense probably benign
R4570:Lct UTSW 1 128,227,641 (GRCm39) missense probably benign 0.01
R4776:Lct UTSW 1 128,228,124 (GRCm39) missense probably damaging 0.99
R5001:Lct UTSW 1 128,235,978 (GRCm39) missense probably damaging 0.96
R5021:Lct UTSW 1 128,228,302 (GRCm39) missense probably benign 0.38
R5318:Lct UTSW 1 128,232,109 (GRCm39) missense probably damaging 1.00
R5330:Lct UTSW 1 128,226,266 (GRCm39) missense probably benign 0.06
R5385:Lct UTSW 1 128,239,354 (GRCm39) missense possibly damaging 0.63
R5499:Lct UTSW 1 128,214,414 (GRCm39) missense probably damaging 1.00
R5508:Lct UTSW 1 128,221,868 (GRCm39) missense probably damaging 1.00
R5642:Lct UTSW 1 128,222,969 (GRCm39) missense probably damaging 1.00
R5724:Lct UTSW 1 128,228,073 (GRCm39) missense probably benign
R6026:Lct UTSW 1 128,227,755 (GRCm39) missense probably benign
R6044:Lct UTSW 1 128,235,717 (GRCm39) missense possibly damaging 0.95
R6175:Lct UTSW 1 128,255,451 (GRCm39) missense probably damaging 1.00
R6277:Lct UTSW 1 128,231,974 (GRCm39) missense probably benign 0.01
R6412:Lct UTSW 1 128,255,455 (GRCm39) missense probably benign 0.00
R6480:Lct UTSW 1 128,222,057 (GRCm39) missense probably damaging 1.00
R6526:Lct UTSW 1 128,228,215 (GRCm39) missense probably benign 0.05
R6620:Lct UTSW 1 128,222,809 (GRCm39) critical splice donor site probably null
R7214:Lct UTSW 1 128,228,197 (GRCm39) missense probably benign 0.00
R7308:Lct UTSW 1 128,246,824 (GRCm39) missense probably benign 0.00
R7577:Lct UTSW 1 128,228,469 (GRCm39) missense probably damaging 0.99
R7626:Lct UTSW 1 128,212,932 (GRCm39) missense probably damaging 1.00
R7737:Lct UTSW 1 128,226,430 (GRCm39) missense probably benign 0.12
R7901:Lct UTSW 1 128,216,722 (GRCm39) missense probably benign 0.44
R8033:Lct UTSW 1 128,212,996 (GRCm39) missense probably benign 0.03
R8373:Lct UTSW 1 128,231,577 (GRCm39) missense probably damaging 1.00
R8504:Lct UTSW 1 128,215,306 (GRCm39) missense probably damaging 1.00
R8751:Lct UTSW 1 128,221,534 (GRCm39) missense probably benign 0.18
R8781:Lct UTSW 1 128,215,261 (GRCm39) missense probably damaging 1.00
R8797:Lct UTSW 1 128,231,684 (GRCm39) missense possibly damaging 0.77
R8926:Lct UTSW 1 128,228,148 (GRCm39) missense probably damaging 1.00
R8949:Lct UTSW 1 128,221,929 (GRCm39) missense probably damaging 1.00
R8992:Lct UTSW 1 128,228,299 (GRCm39) missense probably damaging 1.00
R9138:Lct UTSW 1 128,227,894 (GRCm39) missense probably benign 0.03
R9260:Lct UTSW 1 128,227,704 (GRCm39) nonsense probably null
R9416:Lct UTSW 1 128,228,329 (GRCm39) missense possibly damaging 0.74
R9531:Lct UTSW 1 128,235,598 (GRCm39) missense probably benign 0.00
X0052:Lct UTSW 1 128,235,367 (GRCm39) missense probably damaging 1.00
YA93:Lct UTSW 1 128,229,057 (GRCm39) missense probably damaging 1.00
Z1176:Lct UTSW 1 128,215,348 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- AGATGTTTCAGACAAATGCAGGACACA -3'
(R):5'- AGCAGTGCAGTGCTACCGACAA -3'

Sequencing Primer
(F):5'- ATTTGTGTCCCCTTTGGAAATG -3'
(R):5'- TGAAGGATGCCCAGCTTCAG -3'
Posted On 2013-04-16